255554842920 has 128 divisors (see below), whose sum is σ = 825792589440. Its totient is φ = 62894085120.

The previous prime is 255554842919. The next prime is 255554842951. The reversal of 255554842920 is 29248455552.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10825530 + ... + 10849110.

It is an arithmetic number, because the mean of its divisors is an integer number (6451504605).

Almost surely, 2^255554842920 is an apocalyptic number.

255554842920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255554842920 is an abundant number, since it is smaller than the sum of its proper divisors (570237746520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255554842920 is a wasteful number, since it uses less digits than its factorization.

255554842920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30555 (or 30551 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 51.

The spelling of 255554842920 in words is "two hundred fifty-five billion, five hundred fifty-four million, eight hundred forty-two thousand, nine hundred twenty".